"Chibiusa's Adventure: The Vampire Mansion of Terror" is the third Sailor Moon SuperS Special episode. In the story, Chibiusa begins to suspect that a mysterious new transfer student is actually a vampire.
- This episode is based very closely upon the first Chibiusa's Picture Diary story.
- The final scene of this episode returns to the setting of the first episode of the special.
- After the Sailor Guardians used Sailor Special Garlic Attack and Sailor Mercury told Sailor Moon and Sailor Chibi Moon to finish off the monster, the left-wing on Sailor Moon's brooch was missing.